According to the text, what is gravity's greatest impact on a
rider's roller coaster experience?
O A. It manipulates the rider's
weight and makes the
rider feel light and heavy
at different times.
B. It makes the roller
coaster more thrilling by
making the rider feel as
though she is about to
fall out.
OC. It ensures the safety of
the rider by pushing
force down on the rider
and keep her from falling
out during loops and
sharp turns.
O D. It helps create a scary
and fun experience for
the rider by giving the
rider an out of this world
experience.